package operation;

import book.Book;
import book.BookList;

import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: GodK
 * Date: 2024-03-13
 * Time: 16:48
 */
public class DelOperatoion implements IOPeration{
    public void work(BookList bookList){
        System.out.println("删除图书.....");
        System.out.println("请输入你要删除的图书名：");
        Scanner scanner = new Scanner(System.in);
        String bookName = scanner.nextLine();
        int currentSize = bookList.getUsedSize();
        int pos = -1;
        int i = 0;
        for (; i < currentSize; i++) {
            Book book = bookList.getBooK(i);
            if(book.getName().equals(bookName)){
                pos = i;
                break;
            }
        }
        if(i>=currentSize){
            System.out.println("没有你要找的书！");
            return;
        }
        System.out.println("没有你要找的书....");
        for(int j = 0;j<currentSize-1;j++){
            Book book = bookList.getBooK(j+1);
            bookList.setBook(j,book);
        }
        bookList.setUsedSize(currentSize-1);
        bookList.setBook(currentSize-1,null);
        System.out.println("删除成功！");

    }
}
